CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
Percentile
94.0%
Cisco Firewall Services Module fails to properly inspect SIP messages. This vulnerability may allow a remote attacker to cause a denial of service condition.
The Cisco Firewall Services Module is an integrated firewall service for Cisco Catalyst 6500 series switches and Cisco 7600 series routers. This module fails to properly inspect SIP messages which may cause the system to crash. This vulnerability can be exploited when an attacker sends a specially crafted SIP message to the system.
Cisco states that SIP inspection is enabled by default in 2.x versions of the module.
A remote, unauthenticated attacker may be able to cause the system to crash.
Upgrade
Cisco states this issue has been addressed in 2.3(4.12) for the 2.3.x series, and 3.1(3.24) for the 3.x series. Please see Cisco Security Advisory cisco-sa-20070214-fwsm for further information.
Workaround
Disable deep packet inspection. Please see Cisco Security Advisory cisco-sa-20070214-fwsm for further information.
430969
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Updated: February 16, 2007
Affected
We have not received a statement from the vendor.
The vendor has not provided us with any further information regarding this vulnerability.
Please see Cisco Security Advisory cisco-sa-20070214-fwsm for futher details.
If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23430969 Feedback>).
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Thanks to Cisco Systems Product Security Incident Response Team for reporting this vulnerability.
This document was written by Katie Steiner.
CVE IDs: | CVE-2007-0961 |
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Severity Metric: | 12.60 Date Public: |